0 interactions for Bismuth Subcitrate Potassium, Metronidazole, And Tetracycline Hydrochloride - Bismuth Subcitrate Potassium, Metronidazole, And Tetracycline Hydrochloride capsule®A therapy excluded from this list of known interactions does not necessarily mean that no interactions exist between that therapy and and Bismuth Subcitrate Potassium, Metronidazole, And Tetracycline Hydrochloride - Bismuth Subcitrate Potassium, Metronidazole, And Tetracycline Hydrochloride capsule®.